| acoustics | (noun) the study of the physical properties of sound | - |
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| acrobatics | (noun) the gymnastic moves of an acrobat | Synonyms: tumbling |
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| (noun) the performance of stunts while in flight in an aircraft | Synonyms: aerobatics, stunt flying, stunting |
| aerobatics | (noun) the performance of stunts while in flight in an aircraft | Synonyms: acrobatics, stunt flying, stunting |
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| aeronautics | (noun) the theory and practice of navigation through air or space | Synonyms: astronautics |
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| aesthetics | (noun) (art) the branch of philosophy dealing with beauty and taste (emphasizing the evaluative criteria that are applied to art) | Synonyms: esthetics |
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| apologetics | (noun) the branch of theology that is concerned with the defense of Christian doctrines | - |
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| aquatics | (noun) sports that involve bodies of water | Synonyms: water sport |
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| astronautics | (noun) the theory and practice of navigation through air or space | Synonyms: aeronautics |
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| athletics | (noun) an active diversion requiring physical exertion and competition | Synonyms: sport |
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| (noun) participation in sports events as an extracurricular activity | - |
| (noun) a contest between athletes | Synonyms: athletic competition, athletic contest |
| ballistics | (noun) the science of flight dynamics | - |
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| (noun) the trajectory of an object in free flight | Synonyms: ballistic trajectory |
| bibliotics | (noun) the scientific study of documents and handwriting etc. especially to determine authorship or authenticity | - |
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| biostatistics | (noun) a branch of biology that studies biological phenomena and observations by means of statistical analysis | Synonyms: biometrics, biometry |
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| biosystematics | (noun) use of data (e.g. cytogenetic or biochemical) to assess taxonomic relations especially within an evolutionary framework | Synonyms: biosystematy |
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| ceroplastics | (noun) the art of modeling in wax. | - |
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| cladistics | (noun) a taxonomic system of classifying species based on the branching patterns of cladograms that are built to infer phylogenetic relations | Synonyms: cladistic analysis |
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| cryptanalytics | (noun) the science of analyzing and deciphering codes and ciphers and cryptograms | Synonyms: cryptanalysis, cryptography, cryptology |
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| cybernetics | (noun) (biology) the field of science concerned with processes of communication and control (especially the comparison of these processes in biological and artificial systems) | - |
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| cytogenetics | (noun) the branch of biology that studies the cellular aspects of heredity (especially the chromosomes) | - |
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| diagnostics | (noun) the branch of medical science dealing with the classification of disease | Synonyms: nosology |
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| dialectics | (noun) a rationale for dialectical materialism based on change through the conflict of opposing forces | - |
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| didactics | (noun) the activities of educating or instructing; activities that impart knowledge or skill | Synonyms: education, educational activity, instruction, pedagogy, teaching |
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| dietetics | (noun) the scientific study of food preparation and intake | - |
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| dramatics | (noun) participation in theatrical productions as an extracurricular activity | - |
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| (noun) the art of writing and producing plays | Synonyms: dramatic art, dramaturgy, theater, theatre |
| electromagnetics | (noun) the branch of physics concerned with electromagnetic phenomena | Synonyms: electromagnetism |
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| electrostatics | (noun) the branch of physics that deals with static electricity | - |
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| endodontics | (noun) the branch of dentistry dealing with diseases of the dental pulp | Synonyms: endodontia |
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| esthetics | (noun) (art) the branch of philosophy dealing with beauty and taste (emphasizing the evaluative criteria that are applied to art) | Synonyms: aesthetics |
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| exodontics | (noun) the branch of dentistry dealing with extraction of teeth | Synonyms: exodontia |
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| fiberoptics | (noun) the transmission of light signals via glass fibers | Synonyms: fiber optics, fibre optics, fibreoptics |
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| fibreoptics | (noun) the transmission of light signals via glass fibers | Synonyms: fiber optics, fiberoptics, fibre optics |
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| futuristics | (noun) the study or prediction of future developments on the basis of existing conditions | Synonyms: futurology |
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| genetics | (noun) the branch of biology that studies heredity and variation in organisms | Synonyms: genetic science |
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| geopolitics | (noun) the study of the effects of economic geography on the powers of the state | - |
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| glyptics | (noun) the art of engraving on precious stones | Synonyms: lithoglyptics |
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| gymnastics | (noun) a sport that involves exercises intended to display strength and balance and agility | Synonyms: gymnastic exercise |
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| hermeneutics | (noun) the branch of theology that deals with principles of exegesis | - |
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| homiletics | (noun) the branch of theology that deals with sermons and homilies | - |
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| (noun) the art of preaching | - |
| hydrokinetics | (noun) study of fluids in motion | Synonyms: hydrodynamics |
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| hydrostatics | (noun) study of the mechanical properties of fluids that are not in motion | - |
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| informatics | (noun) the sciences concerned with gathering, manipulating, storing, retrieving, and classifying recorded information | Synonyms: information processing, information science, IP |
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| kinematics | (noun) the branch of mechanics concerned with motion without reference to force or mass | - |
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| kinesthetics | (noun) the ability to feel movements of the limbs and body | Synonyms: kinaesthesia, kinaesthesis, kinesthesia, kinesthesis, muscle sense, sense of movement |
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| kinetics | (noun) the branch of mechanics concerned with the forces that cause motions of bodies | Synonyms: dynamics |
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| lexicostatistics | (noun) a statistical technique used in glottochronology; used to estimate how long ago different languages evolved from a common source language | - |
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| linguistics | (noun) the scientific study of language | - |
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| (noun) the humanistic study of language and literature | Synonyms: philology |
| lithoglyptics | (noun) the art of engraving on precious stones | Synonyms: glyptics |
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| logistics | (noun) handling an operation that involves providing labor and materials be supplied as needed | - |
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| macrobiotics | (noun) the theory of promoting health and longevity by means of diet (especially whole beans and grains) | - |
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| magnetics | (noun) the branch of science that studies magnetism | Synonyms: magnetism |
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| mathematics | (noun) a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement | Synonyms: math, maths |
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| memetics | (noun) a theory of mental content based on an analogy with Darwinian evolution. | - |
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| metamathematics | (noun) the logical analysis of mathematical reasoning | - |
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| neurolinguistics | (noun) the branch of linguistics that studies the relation between language and the structure and function of the nervous system | - |
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| numismatics | (noun) the collection and study of money (and coins in particular) | Synonyms: coin collecting, coin collection, numismatology |
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| onomastics | (noun) the branch of lexicology that studies the forms and origins of proper names | - |
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| optics | (noun) optical properties | - |
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| (noun) the branch of physics that studies the physical properties of light | - |
| orthodontics | (noun) the branch of dentistry dealing with the prevention or correction of irregularities of the teeth | Synonyms: dental orthopaedics, dental orthopedics, orthodontia, orthodonture |
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| orthoptics | (noun) treatment of defects of binocular vision (such as strabismus and amblyopia) by nonsurgical measures (especially by exercises to strengthen the eye muscles) | - |
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| patristics | (noun) the study of the lives, writings, and doctrines of the Church Fathers | Synonyms: patrology |
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| (noun) the writings of the early Church Fathers | Synonyms: patrology |
| periodontics | (noun) the branch of dentistry dealing with diseases of the gums and other structures around the teeth | Synonyms: periodontia |
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| pharmaceutics | (noun) the art and science of preparing and dispensing drugs and medicines | Synonyms: pharmacy |
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| pharmacogenetics | (noun) the branch of genetics that studies the genetically determined variations in responses to drugs in humans or laboratory organisms | - |
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| pharmacokinetics | (noun) the study of the action of drugs in the body: method and rate of excretion, duration of effect, etc. | - |
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| phonetics | (noun) the branch of acoustics concerned with speech processes including its production and perception and acoustic analysis | - |
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| pneumatics | (noun) the branch of mechanics that deals with the mechanical properties of gases | - |
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| poetics | (noun) study of poetic works | - |
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| politics | (noun) the profession devoted to governing and to political affairs | - |
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| (noun) the activities and affairs involved in managing a state or a government | - |
| (noun) the study of government of states and other political units | Synonyms: government, political science |
| (noun) the opinion you hold with respect to political questions | Synonyms: political sympathies |
| (noun) social relations involving intrigue to gain authority or power | Synonyms: political relation |
| pragmatics | (noun) the study of language use | - |
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| problematics | (noun) the uncertainties or difficulties inherent in a situation or plan. | - |
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| propaedeutics | (noun) a course that provides an introduction to an art or science (or to more advanced study generally) | Synonyms: propaedeutic |
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| prosthetics | (noun) the branch of medicine dealing with the production and use of artificial body parts | - |
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| prosthodontics | (noun) the branch of dentistry dealing with the replacement of teeth and related mouth or jaw structures by artificial devices | Synonyms: prosthodontia |
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| psycholinguistics | (noun) the branch of cognitive psychology that studies the psychological basis of linguistic competence and performance | - |
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| psychotherapeutics | (noun) the branch of psychiatry concerned with psychological methods | Synonyms: mental hygiene, psychotherapy |
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| quadratics | (noun) a branch of algebra dealing with quadratic equations | - |
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| robotics | (noun) the area of AI concerned with the practical use of robots | - |
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| semantics | (noun) the study of language meaning | - |
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| (noun) the meaning of a word, phrase, sentence, or text | - |
| semiotics | (noun) (philosophy) a philosophical theory of the functions of signs and symbols | Synonyms: semiology |
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| sociolinguistics | (noun) the study of language in relation to its sociocultural context | - |
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| statics | (noun) the branch of mechanics concerned with forces in equilibrium | - |
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| statistics | (noun) a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters | - |
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| stemmatics | (noun) the humanistic discipline that attempts to reconstruct the transmission of a text (especially a text in manuscript form) on the basis of relations between the various surviving manuscripts (sometimes using cladistic analysis) | Synonyms: stemmatology |
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| systematics | (noun) the science of systematic classification | - |
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| tactics | (noun) a plan for attaining a particular goal | Synonyms: maneuver, manoeuvre, tactic |
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| (noun) the branch of military science dealing with detailed maneuvers to achieve objectives set by strategy | - |
| telerobotics | (noun) the area of robotics that is concerned with the control of robots from a distance | - |
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| therapeutics | (noun) branch of medicine concerned with the treatment of disease | - |
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| thermostatics | (noun) the aspect of thermodynamics concerned with thermal equilibrium | Synonyms: thermodynamics of equilibrium |
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